Finding the Third Proportional to 721,342 and 1,125,685
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Solution
The third proportional to 721,342 and 1,125,685 is: 1,756,679.52
Step by Step Solution
- Step 1: Write the proportion equation
721,342 : 1,125,685 = 1,125,685 : x - Step 2: Convert to fraction form
721,342/1,125,685 = 1,125,685/x - Step 3: Cross multiply
721,342x = 1,125,685 × 1,125,685 - Step 4: Simplify right side
721,342x = 1,267,166,719,225 - Step 5: Solve for x
x = 1,267,166,719,225/721,342 - Step 6: Final answer
x = 1,756,679.52
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These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.